government troops have responded with air strikes on aleppo and the capital damascus. opposition activists say more than 50 people died in the latest fighting. >>> a man has attacked people in the u.s. pacific territory of guam with a knife. local police say he killed two people and he wounded at least 12 other people, 11 of them japanese. the man reportedly slammed his car into a shop in the busy tourist district of tumon. then he started attacking people. hospital officials say the two dead were japanese women. they say the wounded include an 8-month-old baby and a 3-year-old child. fire officials say three people died. police say they've detained a 21-year-old american resident of guam. >>> japanese exporters and stock investors have seen the decline of the yen and have cheered it on, but today they're seeing a different picture. ai uchida too has been following the yen for us. so what can you tell us? >> well, catherine, group of seven leaders, nations have been just talking about currencies, and actually, they've even released a statement. and since then we've act